package com.colllection;

public class HomeWork_3 {
//    public static void main(String[] args) {
//        String str="WUHOknss,kapf fasop foa";
//        String[] str2=str.split(" ");
//        System.out.println(str2.length);
//        System.out.println(Solution.toLowerCase(str));
//
//    }
}

class Solution {
    public static String toLowerCase(String s) {
        char arr[]=s.toCharArray();
        for(int i=0;i<arr.length;i++){
            if(arr[i]>=65&&arr[i]<=90){
                arr[i]+=32;
                continue;
            }
        }
        return new String(arr);

    }
}

class TestClass {

    private static void testMethod(){

        System.out.println("testMethod");

    }

    public static void main(String[] args) {

        ((TestClass)null).testMethod();

    }

}
